-71=-7x-4(-5x-5)

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Solution for -71=-7x-4(-5x-5) equation:


Simplifying
-71 = -7x + -4(-5x + -5)

Reorder the terms:
-71 = -7x + -4(-5 + -5x)
-71 = -7x + (-5 * -4 + -5x * -4)
-71 = -7x + (20 + 20x)

Reorder the terms:
-71 = 20 + -7x + 20x

Combine like terms: -7x + 20x = 13x
-71 = 20 + 13x

Solving
-71 = 20 + 13x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13x' to each side of the equation.
-71 + -13x = 20 + 13x + -13x

Combine like terms: 13x + -13x = 0
-71 + -13x = 20 + 0
-71 + -13x = 20

Add '71' to each side of the equation.
-71 + 71 + -13x = 20 + 71

Combine like terms: -71 + 71 = 0
0 + -13x = 20 + 71
-13x = 20 + 71

Combine like terms: 20 + 71 = 91
-13x = 91

Divide each side by '-13'.
x = -7

Simplifying
x = -7

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